Home / 904,759.77-1,248,589.41-517,611.54

Finding the Fourth Proportional to 904,759.77, 1,248,589.41 and 517,611.54

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Solution

The fourth proportional to 904,759.77, 1,248,589.41 and 517,611.54 is: 714,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,759.77 : 1,248,589.41 = 517,611.54 : x
  2. Step 2: Convert to fraction form
    904,759.77/1,248,589.41 = 517,611.54/x
  3. Step 3: Cross multiply
    904,759.77x = 1,248,589.41 × 517,611.54
  4. Step 4: Simplify right side
    904,759.77x = 646,284,287,337.79
  5. Step 5: Solve for x
    x = 646,284,287,337.79/904,759.77
  6. Step 6: Final answer
    x = 714,315.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.